What is the biggest problem with a large human population?

Which of the following is one of the innovations that neolithic farmers become more productive? a) plow b) windmill c) tractor d) reaper

Which of the following was discovered in the piedmont region of north carolina in 1799?

Arthur met rottweiler breeders lynda and george at a dog show in rhode island. the couple, who reside in new york state, later sold several rottweiler dogs to arthur who lived in rhode island. arthur later sued lynda and george, claiming that the dogs were sick and infirm. he filed a complaint in rhode island courts, claiming that even though the dogs were sold in new york, the breeders had attended the dog show and advertised in the rottweiler newsletter which was distributed at the event in rhode island. based on the facts, do you think rhode island courts have personal jurisdiction in this case?